Kondo T, Dewan P, Anand IS, Desai AS, et al. Clinical Characteristics and Outcomes in Patients With Heart Failure: Are There
Thresholds and Inflection Points in Left Ventricular Ejection Fraction and
Thresholds Justifying a Clinical Classification? Circulation 2023 Jun 27. doi: 10.1161/CIRCULATIONAHA.122.063642.
PMID: 37366061